From f31420ebe79b692601b1f7215a3ae1a0f09fc4e8 Mon Sep 17 00:00:00 2001
From: Andrej Petras <andrej@lorislab.org>
Date: Fri, 2 Aug 2024 10:26:25 +0200
Subject: [PATCH] feat: add metrics

---
 templates/deployment.yaml | 12 ++++++++++++
 tests/metrics.yaml        |  2 ++
 values.yaml               | 25 +++++++++++++++++++++++++
 3 files changed, 39 insertions(+)
 create mode 100644 tests/metrics.yaml

diff --git a/templates/deployment.yaml b/templates/deployment.yaml
index f1979ca..1b1111f 100644
--- a/templates/deployment.yaml
+++ b/templates/deployment.yaml
@@ -33,6 +33,18 @@ spec:
 {{- end }}
 {{- if .Values.env_secrets }}
         checksum/{{ template "app.fullname" $ }}-env: {{ include (print $.Template.BasePath "/secret-env.yaml") . | sha256sum }}
+{{- end }}
+{{- if .Values.metrics.enabled  }}
+{{- if .Values.metrics.prometheus.enabled }}
+        prometheus.io/scrape: '{{ .Values.metrics.prometheus.scrape }}'
+        prometheus.io/path: '{{ .Values.metrics.prometheus.path  | default .Values.metrics.path }}'
+        prometheus.io/port: '{{ .Values.metrics.prometheus.pod | default .Values.pod.port }}'
+        {{- if .Values.metrics.prometheus.health.enabled }}
+        prometheus.io/health: '{{  .Values.metrics.prometheus.health.enabled }}'
+        prometheus.io/health_path: '{{ .Values.metrics.prometheus.health.path |  default .Values.livenessProbe.url }}'
+        prometheus.io/health_port: '{{ .Values.metrics.prometheus.health.port  | default .Values.pod.port }}'
+        {{- end }}
+{{- end }}
 {{- end }}
     spec:
       {{- if .Values.serviceAccount.enabled }}
diff --git a/tests/metrics.yaml b/tests/metrics.yaml
new file mode 100644
index 0000000..ab1b395
--- /dev/null
+++ b/tests/metrics.yaml
@@ -0,0 +1,2 @@
+metrics:
+  enabled: true
\ No newline at end of file
diff --git a/values.yaml b/values.yaml
index c19e820..0551a9c 100644
--- a/values.yaml
+++ b/values.yaml
@@ -185,6 +185,31 @@ serviceAccountSuffix:
 # Inject config maps
 inject_maps: []
 
+# service metrics configuration
+metrics:
+  # enable or disable metrics
+  enabled: false
+  # service metrics path
+  path: /q/metrics
+  # metrics prometheus configuration
+  prometheus:
+    # enable or disable prometheus configuration
+    enabled: true
+    # prometheus metrics default metrics.path
+    path:
+    # scrape prometheus metrics
+    scrape: true
+    # prometheus metrics pod port, default pod.port
+    pod:
+    # promehtues health metrics
+    health:
+      # enable or disable prometheus helth metrics
+      enabled: true
+      # service health path for prometheus default livenessProbe.url
+      path:
+      # service health port for prometheus default pod.port
+      port:
+
 # Database configuration
 db:
   # Enable or disable database connection